小梗

Inflorescences aggregations of sessile florets in spikelets or pseudospikelets, branching absent to compound, bracteate or ebracteate; spikelets prophyllate or not, glumes often poorly distinguished from basal bracts and lemmas, not subtending viable buds or branches, or in pseudospikelets subtending axillary buds capable of partial or extensive spikelet ramification; lodicules absent to very many, usually 3, usually ciliate, veined, posterior lodicule usually narrower than anterior pair.

花序(更多的correctlysynflorescences)集中的无梗小穗或复合的分枝无到，pseudospikelets小花，或无苞片；小穗先出叶与否，从基部的苞片和外稃卓越的不好的颖片通常，通常，许多的鳞被无到，通常具缘毛，，通常比前面对狭窄的后唇瓣鳞被。

Wings of nutlet ca. as wide as nutlet; female inflorescence less than 1 cm in diam.; peduncle 8-15 mm; branchlets densely resinous glandular.

约的小坚果的翅和小坚果一样宽；雌花序直径不到1厘米；花序梗8-15毫米；浓密的小枝树胶腺。

Panicle shows tower form to begin, ramose and verticillate, spicule is scanty unripe; Spicule is unripe 2, 3 floret, stalk is long be down a turn; Two clever wait nearly long, general 9 arteries and veins; Outside Fu quality of a material is solid, bottom comes loose unripe shag, awn from zinc fall slightly among body extend, 2, 4cm is long, genu music is turned round, inside Cheng is short.

圆锥花序呈塔形开展，分枝轮生，小穗疏生；小穗生2—3朵小花，梗长向下弯；两颖近等长，一般9脉；外稃质地坚硬，下部散生粗毛，芒从锌体中间略下伸，2—4cm长，膝曲扭转，内程短。

Lower glume of pedicelled spikelet awned; lower floret of sessile spikelet absent or reduced to a small lemma; anthers ca.

pedicelled小穗的更低的颖片具芒；无梗小穗无的或退化至的更低的小花一小的外稃；花药长约0.5毫米 3 P。

Sessile spikelet flat, convex or concave across back; lower glume lanceolate to ovate, membranous to leathery, smooth, marginally 2-keeled or rounded; upper glume boat-shaped; lower floret male or barren, with or without palea; upper floret bisexual, with entire awnless lemma.

无梗小穗平，凸的或凹的直径背面；更下部的颖片披针形到卵形，膜质到革质，清除，稍微龙骨状或圆形；上面颖片舟状；更低的小花男性或者不孕，有或没有内稃；上面小花两性，具全缘外稃。

Umbels simple or compound; peduncles racemous, cymous or corymbose-branched; bracts foliaceous, usually serrate; bracteoles small, entire, rarely lobed; umbellules with both sessile or subsessile, bisexual flowers and pedicellate, staminate flowers.

伞形花序单生或复合；花序梗小总状花序，聚伞花序的或伞房状分枝；苞片叶状，通常使成锯齿波；小苞片小，全缘，很少有裂；有两无柄或近无柄的小伞形花序，两性花和有花梗，雄花。

Sessile spikelet longer than rachis internode; lower glume elliptic-ovate to oblong, papery to leathery, 5–9-veined, marginally 2-keeled, keels pectinately spiny, often winged at apex; upper glume 3-veined, keeled along midvein, otherwise almost flat, often narrowly winged on lower keel; lower floret staminate, palea present; upper floret bisexual, upper lemma entire, awnless.

无梗小穗长于轴节间；下部颖片椭圆状卵形到长圆形，纸质到革质，5-9脉，具刺的2龙骨状，龙骨状的pectinately，通常具翅的在先端的稍微； 3脉的上面颖片，龙骨状沿中脉，几乎平的否则，龙骨状的通常狭翅在下部；雄蕊花的下部的小花，内稃宿存；全缘的上面小花两性，上面外稃，。

Racemes reduced to a triad of 1 sessile and 2 pedicelled spikelets (rarely with 1–4 spikelet pairs); callus pungent, bearded; plant wild

总状花序退化至一1无梗和2 pedicelled小穗(很少具1-4小穗对)的三人小团伙；胼胝体锐尖，具髯毛；植株野生 2

Umbels 1–2 cm across, terminal or lateral; peduncles 2–7 cm; bracts 1, linear-lanceolate, ca. 3 mm, or absent; rays 2–3, 5–10 mm, unequal; bracteoles 1–2, similar to bract, 0.5–1.5 mm, shorter than pedicels, or absent; umbellules 3–5(–9)-flowered; pedicels 2–4 mm. Calyx teeth minute, triangular, ca. 0.15 mm, caducous.

伞形花序1-2厘米直径，顶生或侧生；花序梗2-7厘米；苞片1，线状披针形，约3毫米，或无；伞辐2-3，5-10毫米，不等长；小苞片1-2，类似苞片，0.5-1.5毫米，短于花梗，或无；小伞形花序3-5(-9)开花；花梗2-4毫米萼齿小，三角形，大约0.15毫米，早落。

The result would be used in tobacco breeding.4 SRAP technology is used to study the genetic differences among different types of tobacco, including flue-cured tobacco, oriental tobacco, maryland tobacco, burley tobacco, and air/sun cured tobacco, five pairs of primer combinations which can amplify characteristic bands has been screened. Among the five combinations, two of them (SF25*SR2 and SF3*SR26) can distinguish air-cured tobacco including maryland tobacco and Burley tobacco from the other cultivated forms; SF20*SR14 can distinguish sun cured tobacco including oriental tobacco and sun-cured tobacco; SF16*SR14 can distinguish flue-cured tobacco and air-cured tobacco, and SF22*SR14 can distinguish DBJ599 with specisl aroma and the other flue-cured tobacco.5 8 varieties , which represent the different types of tobacco, are divided into 3 groups. I: G-28, II:DBJ599、MD40、By21, III: Basma、Sumsun、XNS、QCT. The cluster analysis result es consistant with experience evatuation.6 Anorthogonal design was used to optimize a ILP-PCR system with 5 factors (DNA, Mg2+, dNTP, primer and Taq polymerase) at 4 levels.The result showed the optimized ILP-PCR system for Nicotiana tabacum L. was: 2uL10×PCRbuffer, 20ng template DNA, Mg2+ 2.0mmol/L, dNTP 150umol/L, primer 0.3umol/L, Taq DNA polymerase 1 U in a total of 20uL reactionsolution.

研究结果可作为烤烟与香料烟类型间的杂种鉴定利用的实验与理论依据。4、利用SRAP标记技术，研究和分析了烤烟、晒烟、晾烟、白肋烟、香料烟等不同栽培类型间的基因型差异，初步筛选出了能够在分子水平上反映不同烟草类型差异的特征性标记带：晾烟MD40、Ky17、Burley21、TN90基因型共有的特征带有两对引物组合，分别为SF25*SR2和SF3*SR26；晒烟小牛舌、青梗、小花青和香料烟Sumsun、komotini Basma、Xanthi Basma共有的特征带引物组合为SF20*SR14；NC89、K326、G-28、大白筋和MD40、Ky17、Burley21、TN90共有的特征带引物组合为SF16*SR14，烤烟中大白筋599的特征带引物组合SF22*SR14.5、利用61对SRAP引物组合，研究了普通烟草不同类型间的亲缘关系，将普通烟草类型间8个不同供试材料划分为3类别。I：烤烟类型G-28II：白肋烟类型(MD40、By21、大白筋599III：香料烟类型(Basma、Sumsun、小牛舌、千层塔)。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。